ML19253B654

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Forwards Suppl to Draft Safety Evaluation of Calculations Used for ECCS Evaluation.Calculations Are in Accordance W/App K
ML19253B654
Person / Time
Site: Crane Constellation icon.png
Issue date: 01/14/1976
From: Tedesco R
Office of Nuclear Reactor Regulation
To: Ross D
Office of Nuclear Reactor Regulation
Shared Package
ML19253B655 List:
References
NUDOCS 7910160741
Download: ML19253B654 (2)


Text

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P00R ORGINAL

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CC-239

? css, Assistant Direccor for Na: tor Systrc, i:S v.

S'JP?L2"E:iT TO Ti;E CMFT STFETY EVALi'ATI? : REPOU Mi T:CEE "ILE ISL?,7 ST/TE.. L'3IT 1 Plant liare: T3rae "ile Island Stati:r., Uni t 1 Ccchet :io.:

5C-239 Milestana Jo.: 27-04 Licensing Stage: OL

.iSSS Supolier: Eabcock 5 Wilcox Aochitect Encineer: Gilbert Associates Inc.

Res7onsible Branch a Project Manager:

P.S3 ; 'i. "a ze ti s ; 0.10-4 ; J. Ericgas Requested Completion Date: January 15,197C Rcview Status: Conclete Tae Containment Systens Branch has reviewed tne containnent pressure calculations used for the ECCS evaluatica of Three Mila Island Unit 1.

Enclosed is a draft Safety Evaluation for this r,atter.

The acclicant references Topical Recort C'dl-lG103, 'ECCS Evaluation ci ar.l's l'/7-FA Lowered LOOP NSS" for its EC:S evaluation. The contain-ment pressure calculations were done usir.g the BMI ECCS evaluation rodel which has been aaoroved on a generic basis under A9.cendix i of 10 CFR Part GC. 'la require taat certain plant-decendent infor a-tion b2 subnitted for our review of each plant. Justi f t :3 tion for the containment volune, passive heat sinks and CDeration of tac cantain-trant heat renoval systens were submitted by letter OctoLer J;,1275.

We nave concluded tnat tne containrent prassure calculated fer the Tarce 1ile Island, Unit 1 ECCS analysis are nin accordance wi:n Aopendix K.

Ow.=a we w Rebe:t L. Tede.+ o Robert L. Tedesco, Assistant Director for Plant Systars Civision of Systens Safet)

Enclosure:

As stated ca see oe 41,a avrscs >

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